Issue #88: Refactor struct of tests

config/ci_dimensions.yaml.example

config/ci_enumtypes.yaml.example

config/ci_metrics.yaml.example

config/ci_metrics_1.yaml.example

config/ci_sources.yaml.example

config/ci_test.yaml.example

config/ci_views.yaml.example

config/market_dimensions.yaml.example

config/market_enum.yaml.example

config/market_main.yaml.example

config/market_metrics.yaml.example

config/market_views.yaml.example

src/adapter/postgres.spec.ts

src/api/controllers/collect.spec.ts

src/api/controllers/collect.ts

src/api/controllers/data.spec.ts

src/api/controllers/engine.spec.ts

src/core/engine.spec.ts

src/util/scenarioHandler.ts

src/util/viewHandler.ts